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GeForce GTX 260 vs GeForce GTX 275

Intro

The GeForce GTX 260 makes use of a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 memory runs at a speed of 999 MHz on this model. It features 192 SPUs as well as 64 TAUs and 28 ROPs.

Compare those specifications to the GeForce GTX 275, which comes with clock speeds of 633 MHz on the GPU, and 1134 MHz on the 896 MB of GDDR3 memory. It features 240 SPUs along with 80 TAUs and 28 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 260 182 Watts
GeForce GTX 275 219 Watts
Difference: 37 Watts (20%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 275 should be 14% faster than the GeForce GTX 260 in general, due to its greater data rate. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GTX 260 111888 MB/sec
Difference: 15120 (14%)

Texel Rate

The GeForce GTX 275 should be quite a bit (more or less 37%) faster with regards to AF than the GeForce GTX 260. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 260 36864 Mtexels/sec
Difference: 13776 (37%)

Pixel Rate

The GeForce GTX 275 will be just a bit (more or less 10%) more effective at anti-aliasing than the GeForce GTX 260, and also capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 275 17724 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 1596 (10%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 260

Amazon.com

Check prices at:

GeForce GTX 275

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 260 GeForce GTX 275
Manufacturer nVidia nVidia
Year June 16, 2008 April 9, 2009
Code Name G200 G200b
Memory 896 MB 896 MB
Core Speed 576 MHz 633 MHz
Memory Speed 1998 MHz 2268 MHz
Power (Max TDP) 182 watts 219 watts
Bandwidth 111888 MB/sec 127008 MB/sec
Texel Rate 36864 Mtexels/sec 50640 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 17724 Mpixels/sec
Unified Shaders 192 240
Texture Mapping Units 64 80
Render Output Units 28 28
Bus Type GDDR3 GDDR3
Bus Width 448-bit 448-bit
Fab Process 65 nm 55 nm
Transistors 1400 million 1400 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.1 OpenGL 3.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 260

Amazon.com

Check prices at:

GeForce GTX 275

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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